Wire-o bound hardcover. 6-3/8" wide x 8-1/2" high (16.2 cm wide x 21.6 cm high).64 pages (20 scratch-off 20 illustrated, 20 sketch pages. Shrink-wrapped with a wooden stylus.White outlines on black scratch off pages create a fun way for younger children (ages 5 and up) to trace illustrations, revealing magnifient colors beneath. Welcome to the world of techno-friends, where you'll find robots that can DJ, time travel, explore the sea floor, or tell jokes! • Scratch away the white outlines to bring each amazing automaton to life in swirling colors or shiny foil. • Have megabytes of fun drawing and designing your own robots!